Removal (4.2L)
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Numbers in parentheses refer to numbers in illustrations.
NOTE:
Use care in removing the fuel injectors in order to prevent damage to the fuel injector electrical connector pins or the fuel injector nozzles. Do not immerse the fuel injector in any type of cleaner. The fuel injector is an electrical component and may be damaged by this cleaning method.
NOTE:
The engine oil may be contaminated with fuel if the fuel injectors are leaking.
- Remove the fuel rail assembly. See FUEL RAIL ASSEMBLY .
- Disconnect the fuel injector harness connector from the fuel injectors.
- Remove the injector retainer clip. See Figure.
- Remove the fuel injector from the fuel rail.
- Discard the injector retainer clip.
- Remove the injector "O" ring seals from both ends of the injector. Discard the "O" ring seals.